Built for extreme high-lift applications, the 6375-165 (164”) Hi-Lift Drum set is designed to deliver smooth cable travel and dependable lifting power on doors using up to 164 inches of hi-lift. Featuring a 1”-1/4 bore and a heavy-duty 800 lb capacity per drum, this set is ideal for commercial and industrial high-lift systems. Supports up to 1/4” cable and is sold as a left/right pair for complete installation.

 Key Features

• Hi-Lift Drums (164”) — For high-lift door configurations

• Maximum Hi-Lift: 164”

• Bore Size: 1”,1/4"

• Capacity: 800 lbs per drum (1,600 lbs per pair total capacity rating)

• Maximum Cable Size: 1/4”

• Sold as a Pair — Includes left and right drums

 Cable Length Formula (Important)

To calculate required cable length:

Cable Length = (Floor to shaft center + 181”) − (amount of hi-lift)

Cross References

• Apco 6375-164

• DNS 410-164

• OMI 164 HL

• M162-4165

 Installation Note

High-lift drums must match your lift amount, shaft size (bore), and cable size. Confirm specifications before ordering. Professional installation is recommended for safe operation and proper door balance.